WorksheetsChapter 4 Vocabulary
Total questions: 12
Worksheet time: 4mins
a dense, positively charged mass located in the center of the atom
proton
energy level
nucleus
isotope
a neutral subatomic particle found in the nucleus
proton
alpha particle
neutron
electron
the possible energies that the electrons in an atom can have.
excited state
electron cloud
energy level
orbital
the sum of the protons and neutrons in the nucleus of an atom
atomic number
element number
mass number
oxidation number
a negatively charged subatomic particle that is found in the space outside the nucleus
electron
electron cloud
neutron
isotope
a region of space around the nucleus where an electron is likely to be found
ground state
electron cloud
orbital
valence
the number of protons in an atom of an element
mass number
energy level
atomic number
orbital
atoms of the same element that have different numbers of neutrons and different mass numbers
excited state
isotope
energy level
orbital
a positively charged subatomic particle found in the nucleus
electron
proton
neutron
isotope
an electron in an atom that is occupying a higher energy level.
orbital
electron cloud
excited state
ground state
a visual model of the most likely locations for electrons in an atom
ground state
electron cloud
bohr model
planetary model
when all the electrons in an atom have the lowest possible energies
ground state
excited state
valence electron
nucleus
